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Page is a draft. Pending additional text content/approval


The Calculator allows for automated sizing of required Stormwater Control facility volumes based on design constraints.

Each Stormwater Control has built-in calculator menus to help users compute different variables such as dimensions, horizontal and vertical retention, pollutant decay rates, and others. 

Bioretention Calculators











Porous Paving (with and without Underdrain)

Infiltration Trench